package com.itheima.service.store;


import com.github.pagehelper.PageInfo;
import com.itheima.domain.store.Course;

import java.util.List;

public interface CourseService {


    List<Course> findAll();

    Course findById(String id);


    void delete(String...id);

    void save(Course course);

    void update(Course course);


     PageInfo findAll(Integer pageNum, Integer pageSize);


}
